markteinstiegsberatung - refu company presentation · 2017-10-13 · refucube refu company...

REFU – Company presentation

Agenda

▪ Who we are

▪ Solar product portfolio

▪ Storage product portfolio

▪ References

▪ Your benefits

Who we are.

3

REFU at a glance

Headquarters Pfullingen

R&D Center Metzingen

Founded: 1965

Competencies:

▪ Frequency converters

▪ Controllable power electronics

▪ Solar inverters

▪ Energy storage systems

~ 100 Employees (>40 people in R&D)

Certificates: ISO 9001 / ISO 14001

REFU company presentation / cgk / AHK Reise / 20170921 4

REFU is part of Prettl Group

REFU representatives

Sales agents and partner

Service partner

REFU company presentation / cgk / AHK Reise / 20170921

REFU worldwide

5

▪ Reliable high-quality products

▪ Customized support

▪ Following the same path

▪ Mutual understanding

▪ Long-term approach

▪ Solid financial background


REFU stands for…

Solar product portfolio

7

REFUsol 08…23K


Description▪ Compact Outdoor String Inverter

▪ 8, 10, 13, 17, 20 (400 V grid), 23 kW (460 V grid)

▪ 6 Phoenix Sunclix DC inputs

Your benefits▪ Maintenance free thanks to passive cooling

▪ High Energy yields thanks to Patented UltraEta® 5 Level Topology

▪ Easy installation and replacement thanks to low weight

▪ Easy monitoring with REFUlog

▪ Proven technology - more than 250,000 units sold

▪ Available in UL and JP variants

REFUsol 40K/46K

Description

▪ Large Outdoor String Inverter

▪ 40 kVA (400 V grid) and 46 kVA (460 V grid)

▪ Available as 22 kW for 220 V AC

▪ External DC Connection Box with 10 String Inputs

Your benefits

▪ Ideal for large Systems in rough environments thanks to max.

power up to 50C ambient temperature and IP 65 protection

▪ High energy yields thanks to patented UltraEta® 5 Level Topology

▪ Easy Monitoring thanks to REFUlog

▪ Flexible use for different plant designs (centralized / decentralized)


REFUcube


Description

▪ Power classes 1 MVA, 1.6 MVA, 2 MVA, 3 MVA

▪ String inverters, MV/LV Transformer, MV Switchgear, LV switch

board, DC connection panel, Auxiliary transfer and auxiliary switch

board , grid protection relay installed in a 20ft / 40ft container

▪ Plug&Play solution, All components pre-cabled and tested

▪ Intelligent passive cooling system – maintenance –free (no fans)!

▪ Suitable for all climate types

Your benefits

▪ Less risk

▪ Fast deployment

▪ Higher yields

▪ Lower BoS

▪ Lower CAPEX

▪ Lower OPEX

▪ Easier maintenance

▪ More flexibility

DC

AC

Ethernet

MV

from DC combiner boxes in field

Tools


REFUdesign Planning Tool

www.refu-design.com

▪ Automatic online planning tool

▪ Including battery system

▪ Real hourly simulation

▪ Solar panel and weather database included

REFUlog Monitoring

www.refu-log.com

▪ Professional monitoring portal

▪ Direct data collection from inverter

▪ Remote firmware update

▪ Analysis features

http://www.refu-design.com/

http://www.refu-log.com/

Storage product portfolio

12

AC - coupled storage solution


Description

▪ Two separate inverters for PV and battery (REFUsol 08K …46K

paired with REFUhybrid 100)

▪ Battery rack by REFU or third-party

▪ Individual control/EMS solution through REFU partners

Your benefits

▪ Independent sub-systems for solar and storage

▪ Independent design, installation, operation & maintenance

▪ High voltage design up to 800V

▪ Can be easily extended and retrofitted

▪ Individual controls through REFU partners

▪ Turnkey system for solar plus storage

Grid

Controller /

EMS

DC power

AC power

Communications

Load

PV inverter

PV array

Battery incl. BMS

Battery inverter

Ethernet / ModBus

DC - coupled storage solution


Description

▪ Battery and PV coupled on the DC side

▪ Only one inverter required for grid connection

▪ REFUsol 8k …46k paired with AMPT string optimizers

▪ Battery rack by REFU or third-party

▪ Control & monitoring solution by REFU partner

Your benefits

▪ Highest efficiencies (up to 99.5%)

▪ Reduction of system cost and complexity

▪ Delivers more energy with higher MPP tracking solution

▪ Scalable and flexible

▪ Battery technology independent

PV array

COM

unit

Grid

Battery

Load

Controller

Inverter

PV array

String Optimizer

EMS

Combiner

> The DC solution offers unmatched value through

the optimization of both DC power and storage

References

15

70 MW, Germany

Source: GP Joule

2550 x REFUsol 20K

38 x REFUsol 333K

Commissioning 2011


5 MW plant, Turkey


136 x REFUsol 40K

1 x REFUsol 20K

Commissioning 2016

4.6 MW, Belgium


312 x REFUsol 10K,13K,17K

Commissioning 2011

1.5 MW, Germany


65 x REFUsol 20K

Commissioning 2012

1.7 MW plant, Italy


75 x REFUsol 12K

267 x REFUsol 17K

Commissioning 2011

1 MW plant, Germany


22 x REFUsol 20K

Commissioning 2011

▪ 2 MW/ 2.800 kWh storage system, Germany

▪ 20 x REFUhybrid 100, Commissioning Q3 2016

▪ 500 kW storage system, Austria

▪ 5 x REFUhybrid 100, Commissioning Q1 2017


References Storage

Your benefits

23

Why working with REFU?


▪ As part of the PRETTL Group, we are a strong partner with inhouse R&D, PCB and assembly

▪ High bankability and long track record the in solar business

▪ Expert knowledge since 1965 in the field of inverters, from 1998 solar and renewable energy

▪ Maximum revenue through top efficiency products – proven by independent Photon tests

▪ Focus on Commercial and Utility systems

▪ Innovative Products for Energy Storage Systems

▪ Comprehensive software and online tools available (REFUlog, REFUdesign, REFUset)

▪ Field experience: more than 250,000 inverters operating in the field

▪ Service partners / Parcel replacement service

Thank you for your attention

Dean Stratton/REFU Elektronik GmbH

markteinstiegsberatung - refu company presentation · 2017-10-13 · refucube refu company...

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